package exception;

import java.io.FileOutputStream;
import java.io.IOException;

public class FinallyDemo3 {
    public static void main(String[] args) {
        FileOutputStream fos=null;
        try {
            fos = new FileOutputStream("fos.dat");
            fos.write(1);
        }catch(IOException e){
            System.out.println("出错了");
        }finally{
            try{
                if (fos!=null){
                    fos.close();
                }
            }catch(IOException e){
                System.out.println("出错了");
            }
        }
    }
}
